Add test/nia-checksums-of-data.txt
diff --git a/build-all.sh b/build-all.sh
index 4d16dbe..c0078cc 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -70,12 +70,19 @@
wuffs bench -skipgen -mimic -reps=1 -iterscale=1
./build-example.sh
+./build-fuzz.sh
+
+# ----
+
echo "Running gen/bin/example-crc32"
JSON_THINGS_CRC32=$(gen/bin/example-crc32 < test/data/json-things.formatted.json)
if [ "$JSON_THINGS_CRC32" != "cdcc7e35" ]; then
echo "example-crc32 failed on json-things data"
exit 1
fi
+
+# ----
+
echo "Running gen/bin/example-jsonptr"
JSON_THINGS_CRC32=$(gen/bin/example-jsonptr < test/data/json-things.unformatted.json | gen/bin/example-crc32)
if [ "$JSON_THINGS_CRC32" != "cdcc7e35" ]; then
@@ -83,8 +90,25 @@
exit 1
fi
-./build-fuzz.sh
+# ----
+
+echo "Running gen/bin/example-convert-to-nia"
+set +e
+script/print-nia-checksums.sh | \
+ diff --unified test/nia-checksums-of-data.txt /dev/stdin
+if [ $? != 0 ]; then
+ echo "Unexpected change in test/nia-checksums-of-data.txt"
+ exit 1
+fi
+set -e
+
+# ----
+
for f in gen/bin/fuzz-*; do
echo "Running $f"
$f test/data > /dev/null
done
+
+# ----
+
+echo "DONE: build-all.sh"
diff --git a/script/print-nia-checksums.sh b/script/print-nia-checksums.sh
new file mode 100755
index 0000000..df86779
--- /dev/null
+++ b/script/print-nia-checksums.sh
@@ -0,0 +1,74 @@
+#!/bin/bash -eu
+# Copyright 2021 The Wuffs Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# ----------------
+
+# This script prints the CRC-32 checksum of the decoded pixels (in the NIA
+# format, see doc/spec/nie-spec.md) of every image given as a command line
+# argument: if a file then itself, if a directory then the files under it. It
+# skips any non-image file found (non-image meaning not decodable by Wuffs'
+# standard library).
+#
+# It is not perfect. It can have false positives and false negatives.
+# Nonetheless, running it regularly (compiled against the in-development
+# release/c/wuffs-unsupported-snapshot.c) can help detect regressions.
+#
+# "False positive" means that a non-image file can produce a non-zero checksum.
+# Any file (containing binary data) starting with two '\x00' NUL bytes can
+# sometimes be mistaken for a WBMP-formatted image file.
+#
+# "False negative" means that an image file that produces an all-zero checksum
+# will be skipped.
+
+if [ ! -e wuffs-root-directory.txt ]; then
+ echo "$0 should be run from the Wuffs root directory."
+ exit 1
+elif [ ! -e gen/bin/example-convert-to-nia ]; then
+ echo "Run \"./build-example.sh example/convert-to-nia\" first."
+ exit 1
+elif [ ! -e gen/bin/example-crc32 ]; then
+ echo "Run \"./build-example.sh example/crc32\" first."
+ exit 1
+fi
+
+sources=$@
+if [ $# -eq 0 ]; then
+ sources=test/data
+fi
+
+# ----
+
+handle() {
+ local c=$(gen/bin/example-convert-to-nia <$1 2>/dev/null | gen/bin/example-crc32)
+ if [ "$c" != "00000000" ]; then
+ echo $c $1
+ fi
+}
+
+# ----
+
+echo "# Generated by script/print-nia-checksums.sh"
+for f in $sources; do
+ if [ -f $f ]; then
+ handle $f
+ elif [ -d $f ]; then
+ for g in `find $f -type f | sort`; do
+ handle $g
+ done
+ else
+ echo "Could not open $f"
+ exit 1
+ fi
+done
diff --git a/test/nia-checksums-of-data.txt b/test/nia-checksums-of-data.txt
new file mode 100644
index 0000000..f55d1b2
--- /dev/null
+++ b/test/nia-checksums-of-data.txt
@@ -0,0 +1,62 @@
+# Generated by script/print-nia-checksums.sh
+76e40058 test/data/animated-red-blue.gif
+912861f4 test/data/archive.iso
+f9a10dac test/data/artificial/gif-background-color.gif
+36e7d9c7 test/data/artificial/gif-empty-palette.gif
+db4c30eb test/data/artificial/gif-frame-out-of-bounds.gif
+fdcc644f test/data/artificial/gif-metadata-empty.gif
+fdcc644f test/data/artificial/gif-metadata-full.gif
+6d03b5f3 test/data/artificial/gif-multiple-graphic-controls.gif
+47c877fd test/data/artificial/gif-multiple-loop-counts.gif
+76c44866 test/data/artificial/gif-no-frames.gif
+6ec818c3 test/data/artificial/gif-pixel-data-none.gif
+5e57adb2 test/data/artificial/gif-pixel-data-not-enough.gif
+3e29f88a test/data/artificial/gif-pixel-data-too-much.gif
+f50d1d50 test/data/artificial/gif-small-frame-interlaced.gif
+beaec397 test/data/artificial/gif-transparent-index.gif
+6ec818c3 test/data/artificial/gif-zero-width-frame.gif
+912861f4 test/data/australian-abc-local-stations.tokens
+076cb375 test/data/bricks-color.bmp
+076cb375 test/data/bricks-color.png
+f36c2e80 test/data/bricks-dither.bmp
+3fc62e1e test/data/bricks-dither.gif
+f36c2e80 test/data/bricks-dither.no-ancillary.png
+f36c2e80 test/data/bricks-dither.png
+c2bce675 test/data/bricks-gray.bmp
+0e16e6eb test/data/bricks-gray.gif
+c2bce675 test/data/bricks-gray.no-ancillary.png
+c2bce675 test/data/bricks-gray.png
+7aebfe6c test/data/bricks-nodither.bmp
+b641fef2 test/data/bricks-nodither.gif
+7aebfe6c test/data/bricks-nodither.png
+ae2e547d test/data/bricks-nodither.wbmp
+912861f4 test/data/cbor-rfc-7049-examples.tokens
+3014b4c0 test/data/gifplayer-muybridge.gif
+030f5a48 test/data/harvesters.bmp
+0d213dc4 test/data/harvesters.gif
+e776c90f test/data/hat.bmp
+a161a63a test/data/hat.gif
+e776c90f test/data/hat.png
+d30bfe5d test/data/hat.wbmp
+33a44f22 test/data/hibiscus.primitive.bmp
+e948122d test/data/hibiscus.primitive.gif
+33a44f22 test/data/hibiscus.primitive.png
+60040742 test/data/hibiscus.regular.bmp
+7b8dda15 test/data/hibiscus.regular.gif
+60040742 test/data/hibiscus.regular.png
+dcbb225a test/data/hippopotamus.bmp
+21e17862 test/data/hippopotamus.interlaced.gif
+dcbb225a test/data/hippopotamus.interlaced.png
+a80781a1 test/data/hippopotamus.interlaced.truncated.gif
+1f11edb9 test/data/hippopotamus.masked-with-muybridge.gif
+7e6acf01 test/data/hippopotamus.masked-with-muybridge.png
+21e17862 test/data/hippopotamus.regular.gif
+dcbb225a test/data/hippopotamus.regular.png
+aa7e021c test/data/json-quirks.tokens
+912861f4 test/data/json-things.unformatted.tokens
+2dccfe56 test/data/muybridge-frame-000.wbmp
+db2733f5 test/data/muybridge.gif
+bf7e8c96 test/data/pjw-thumbnail.bmp
+73d48c08 test/data/pjw-thumbnail.gif
+bf7e8c96 test/data/pjw-thumbnail.png
+75060601 test/data/rgb24png.bmp
